{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "The 24 exons of BRCA1 span an 81 - kb region that has an unusually high density of Alu repetitive DNA ( 41 . 5 % ) , but relatively low density ( 4 . 8 % ) of other repetitive sequences ."}
{"Disease": []}